microsoft/playwright · error · Error

Database version is unset

Error message

Database version is unset

What it means

Error "Database version is unset" thrown in microsoft/playwright.

Source

Thrown at packages/injected/src/storageScript.ts:76

        || typeof v === 'boolean'
        || Object.is(v, null)
      );

      if (!isTrivial)
        trivial = false;

      return { fallThrough: v };
    });
    if (trivial)
      return { trivial: value };
    return { encoded };
  }

  private async _collectDB(dbInfo: IDBDatabaseInfo) {
    if (!dbInfo.name)
      throw new Error('Database name is empty');
    if (!dbInfo.version)
      throw new Error('Database version is unset');

    const db = await this._idbRequestToPromise(indexedDB.open(dbInfo.name));
    if (db.objectStoreNames.length === 0)
      return { name: dbInfo.name, version: dbInfo.version, stores: [] };

    const transaction = db.transaction(db.objectStoreNames, 'readonly');
    const stores = await Promise.all([...db.objectStoreNames].map(async storeName => {
      const objectStore = transaction.objectStore(storeName);

      const keys = await this._idbRequestToPromise(objectStore.getAllKeys());
      const records = await Promise.all(keys.map(async key => {
        const record: IndexedDBDatabase['stores'][0]['records'][0] = {};

        if (objectStore.keyPath === null) {
          const { encoded, trivial } = this._trySerialize(key);
          if (trivial)
            record.key = trivial;
          else

View on GitHub (pinned to c8fc3bf8d3)

When it happens

Trigger: Thrown at packages/injected/src/storageScript.ts:76 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/playwright@c8fc3bf8d3 (2026-08-12). Data as JSON: /api/errors/44a8432641534543. Report an issue: GitHub.